(lahabh, and other forms from same root; phlox):

Figuratively: "Flame" is used to denote excitement (Pr 29:8 the Revised Version (British and American)), shame, astonishment, "faces of flame" (Isa 13:8); in Re 1:14, the glorified Christ is described as having eyes "as a flame of fire," signifying their searching purity (compare Re 2:18; 19:12). Flame is also a symbol of God’s wrath (Ps 83:14; Isa 5:24; 10:17).

See also FIRE.